# JOHN C BACKUS

JOHN C BACKUS of ARLINGTON, VA appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 39 filing roles across Form D (37), Form ADV (2).

## Filings (39)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| 2025-03-31 | Form ADV | [NEW ATLANTIC VENTURES](https://search.stillhousedata.com/firm/160767) | MANAGING MEMBER | ARLINGTON, VA |
| 2025-03-27 | Form ADV | [PROOF MANAGEMENT, LLC](https://search.stillhousedata.com/firm/285482) | MANAGING MEMBER | ARLINGTON, VA |
| 2017-11-30 | Form D | [NAV III Opportunity Fund, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1550527&type=&dateb=&owner=include&count=40) | Executive Officer | RESTON, VA |
| 2012-12-26 | Form D | [New Atlantic Venture Fund IV, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1534976&type=&dateb=&owner=include&count=40) | Director | Reston, VA |
| 2012-12-26 | Form D | [New Atlantic Fund IV, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1534975&type=&dateb=&owner=include&count=40) | Executive Officer | Reston, VA |
| 2014-01-16 | Form D | [NAV Opportunity Fund II, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1591340&type=&dateb=&owner=include&count=40) | Director | Reston, VA |
| 2016-03-16 | Form D | [NAV Zeel I, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1668156&type=&dateb=&owner=include&count=40) | Executive Officer | ARLINGTON, VA |
| 2016-02-29 | Form D | [NAV PokitDok I, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1661227&type=&dateb=&owner=include&count=40) | Executive Officer | RESTON, VA |
| 2016-02-29 | Form D | [NAV Atlas Obscura I, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1663276&type=&dateb=&owner=include&count=40) | Executive Officer | RESTON, VA |
| 2017-11-30 | Form D | [NAV Moda Operandi I, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1668151&type=&dateb=&owner=include&count=40) | Executive Officer | RESTON, VA |
| 2018-03-05 | Form D | [PROOF Side, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1672264&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2016-09-09 | Form D | [PROOF GP, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1635015&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2016-09-09 | Form D | [PROOF Network, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1672263&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2018-03-14 | Form D | [SC1 Zip BP, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1678408&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2016-11-30 | Form D | [CV1 P, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1690428&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2016-11-17 | Form D | [NAV Invincea I, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1689288&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-12-18 | Form D | [PROOF Side II LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1779350&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-12-18 | Form D | [PROOF Fund II, LP](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1777614&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-06-01 | Form D | [VCP PROOF C1, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1787842&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2021-02-22 | Form D | [PROOF II VM, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1806671&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-03-25 | Form D | [PROOF II DT C1, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1806644&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-03-03 | Form D | [PROOF II CVC, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1803093&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-03-03 | Form D | [PROOF II CVC C1, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1805357&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-03-03 | Form D | [Romulus EquipmentShare Growth V, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1803798&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-01-24 | Form D | [TransLink PROOF C1, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1799047&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-01-10 | Form D | [Think PROOF TB LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1799059&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-06-01 | Form D | [PROOF R2, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1813088&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-05-28 | Form D | [Tusk Ro II P, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1813152&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-05-05 | Form D | [Riot Ventures Opportunity V-II C1C, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1809324&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-04-24 | Form D | [PROOF Skillz II, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1809369&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-08-04 | Form D | [PROOF II OTS, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1819421&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2020-07-06 | Form D | [Javelin PROOF II Gaingels, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1816800&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2021-04-27 | Form D | [PROOF DPQPI, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1858570&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2022-02-28 | Form D | [PROOF II Oakhouse IB, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1871795&type=&dateb=&owner=include&count=40) | Director | ARLINGTON, VA |
| 2021-11-15 | Form D | [PROOF II PEI, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1891597&type=&dateb=&owner=include&count=40) | Director | RESTON, VA |
| 2023-01-26 | Form D | [PROOF III FMI LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1941757&type=&dateb=&owner=include&count=40) | Director | RESTON, DE |
| 2024-12-16 | Form D | [PROOF III OWLI LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2048753&type=&dateb=&owner=include&count=40) | Director | ARLINGTON, VA |
| 2024-12-16 | Form D | [PROOF III AIR LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2045655&type=&dateb=&owner=include&count=40) | Director | ARLINGTON, VA |
| 2025-04-15 | Form D | [PROOF III FHI LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2063864&type=&dateb=&owner=include&count=40) | Director | ARLINGTON, VA |


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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.